21338449
Air Spring
Volvo

Within the air suspension system, a pneumatic chamber provides the capability to alter ride height, compensate for payload changes, and improve contact patch stability. When inflated to the proper level, it contributes to a smoother, more controlled ride by absorbing road irregularities and reducing chassis bottoming. The system also enhances stability during cornering and braking by maintaining consistent wheel alignment and load distribution across axles. In commercial use, this translates into improved tire wear uniformity, better fuel economy due to stable aerodynamics, and reduced driver fatigue from a more comfortable ride. Maintenance includes checking for leaks, ruptures, or worn mounting hardware, as well as ensuring the control valve and lines are free of obstruction. The durable materials resist environmental exposure, oil, and exposure to road salt, while the design supports rapid deflation for rapid load changes and controlled damping. It is an integral part of a modern, adjustable suspension strategy that enables compliance with legal ride height requirements, serviceability, and fleet-wide performance metrics.